diff options
Diffstat (limited to 'src/google/protobuf/compiler/csharp/csharp_message_field.cc')
-rw-r--r-- | src/google/protobuf/compiler/csharp/csharp_message_field.cc | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/csharp/csharp_message_field.cc b/src/google/protobuf/compiler/csharp/csharp_message_field.cc new file mode 100644 index 00000000..4f576cd1 --- /dev/null +++ b/src/google/protobuf/compiler/csharp/csharp_message_field.cc @@ -0,0 +1,193 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include <sstream> + +#include <google/protobuf/compiler/code_generator.h> +#include <google/protobuf/compiler/plugin.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/io/printer.h> +#include <google/protobuf/io/zero_copy_stream.h> +#include <google/protobuf/stubs/strutil.h> + +#include <google/protobuf/compiler/csharp/csharp_helpers.h> +#include <google/protobuf/compiler/csharp/csharp_message_field.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace csharp { + +MessageFieldGenerator::MessageFieldGenerator(const FieldDescriptor* descriptor, + int fieldOrdinal) + : FieldGeneratorBase(descriptor, fieldOrdinal) { + variables_["has_property_check"] = name() + "_ != null"; + variables_["has_not_property_check"] = name() + "_ == null"; +} + +MessageFieldGenerator::~MessageFieldGenerator() { + +} + +void MessageFieldGenerator::GenerateMembers(io::Printer* printer) { + printer->Print( + variables_, + "private $type_name$ $name$_;\n"); + AddDeprecatedFlag(printer); + printer->Print( + variables_, + "$access_level$ $type_name$ $property_name$ {\n" + " get { return $name$_; }\n" + " set {\n" + " $name$_ = value;\n" + " }\n" + "}\n"); +} + +void MessageFieldGenerator::GenerateMergingCode(io::Printer* printer) { + printer->Print( + variables_, + "if (other.$has_property_check$) {\n" + " if ($has_not_property_check$) {\n" + " $name$_ = new $type_name$();\n" + " }\n" + " $property_name$.MergeFrom(other.$property_name$);\n" + "}\n"); +} + +void MessageFieldGenerator::GenerateParsingCode(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_not_property_check$) {\n" + " $name$_ = new $type_name$();\n" + "}\n" + // TODO(jonskeet): Do we really need merging behaviour like this? + "input.ReadMessage($name$_);\n"); // No need to support TYPE_GROUP... +} + +void MessageFieldGenerator::GenerateSerializationCode(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " output.WriteRawTag($tag_bytes$);\n" + " output.WriteMessage($property_name$);\n" + "}\n"); +} + +void MessageFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " size += $tag_size$ + pb::CodedOutputStream.ComputeMessageSize($property_name$);\n" + "}\n"); +} + +void MessageFieldGenerator::WriteHash(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_property_check$) hash ^= $property_name$.GetHashCode();\n"); +} +void MessageFieldGenerator::WriteEquals(io::Printer* printer) { + printer->Print( + variables_, + "if (!object.Equals($property_name$, other.$property_name$)) return false;\n"); +} +void MessageFieldGenerator::WriteToString(io::Printer* printer) { + variables_["field_name"] = GetFieldName(descriptor_); + printer->Print( + variables_, + "PrintField(\"$field_name$\", has$property_name$, $name$_, writer);\n"); +} + +void MessageFieldGenerator::GenerateCloningCode(io::Printer* printer) { + printer->Print(variables_, + "$property_name$ = other.$has_property_check$ ? other.$property_name$.Clone() : null;\n"); +} + +void MessageFieldGenerator::GenerateFreezingCode(io::Printer* printer) { +} + +void MessageFieldGenerator::GenerateCodecCode(io::Printer* printer) { + printer->Print( + variables_, + "pb::FieldCodec.ForMessage($tag$, $type_name$.Parser)"); +} + +MessageOneofFieldGenerator::MessageOneofFieldGenerator(const FieldDescriptor* descriptor, + int fieldOrdinal) + : MessageFieldGenerator(descriptor, fieldOrdinal) { + SetCommonOneofFieldVariables(&variables_); +} + +MessageOneofFieldGenerator::~MessageOneofFieldGenerator() { + +} + +void MessageOneofFieldGenerator::GenerateMembers(io::Printer* printer) { + AddDeprecatedFlag(printer); + printer->Print( + variables_, + "$access_level$ $type_name$ $property_name$ {\n" + " get { return $has_property_check$ ? ($type_name$) $oneof_name$_ : null; }\n" + " set {\n" + " $oneof_name$_ = value;\n" + " $oneof_name$Case_ = value == null ? $oneof_property_name$OneofCase.None : $oneof_property_name$OneofCase.$property_name$;\n" + " }\n" + "}\n"); +} + +void MessageOneofFieldGenerator::GenerateParsingCode(io::Printer* printer) { + // TODO(jonskeet): We may be able to do better than this + printer->Print( + variables_, + "$type_name$ subBuilder = new $type_name$();\n" + "if ($has_property_check$) {\n" + " subBuilder.MergeFrom($property_name$);\n" + "}\n" + "input.ReadMessage(subBuilder);\n" // No support of TYPE_GROUP + "$property_name$ = subBuilder;\n"); +} + +void MessageOneofFieldGenerator::WriteToString(io::Printer* printer) { + printer->Print( + variables_, + "PrintField(\"$descriptor_name$\", $has_property_check$, $oneof_name$_, writer);\n"); +} + +void MessageOneofFieldGenerator::GenerateCloningCode(io::Printer* printer) { + printer->Print(variables_, + "$property_name$ = other.$property_name$.Clone();\n"); +} + +} // namespace csharp +} // namespace compiler +} // namespace protobuf +} // namespace google |